Home / 113,191.17-169,786.58-30,085.17

Finding the Fourth Proportional to 113,191.17, 169,786.58 and 30,085.17

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Solution

The fourth proportional to 113,191.17, 169,786.58 and 30,085.17 is: 45,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,191.17 : 169,786.58 = 30,085.17 : x
  2. Step 2: Convert to fraction form
    113,191.17/169,786.58 = 30,085.17/x
  3. Step 3: Cross multiply
    113,191.17x = 169,786.58 × 30,085.17
  4. Step 4: Simplify right side
    113,191.17x = 5,108,057,972.59
  5. Step 5: Solve for x
    x = 5,108,057,972.59/113,191.17
  6. Step 6: Final answer
    x = 45,127.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.